NDLI: A new non-isolated high step-up converter with reduced voltage stress

Content Provider	IEEE Xplore Digital Library
Author	Jae-Kuk Kim Sun-Tai Kim Dae-Yeon Cho Gun-Woo Moon
Copyright Year	2011
Description	Author affiliation: Department of Electrical Engineering, KAIST, 335, Gwahangno, Yuseong-Gu, Daejeon, 305-701, Republic of Korea (Jae-Kuk Kim; Sun-Tai Kim; Dae-Yeon Cho; Gun-Woo Moon)
Abstract	This paper presents non-isolated high step-up converters with reduced voltage stress. Based on the conventional flyback converter, a high step-up converter is derived. The voltage stresses of the switch and diodes are limited by using a clamping diode and voltage doubler structure. Also, to further reduce the voltage stresses of them, another high step-up converter is proposed. The proposed converter has one additional capacitor to serve as a doubler capacitor. By using this capacitor, the voltage stresses of the switch and diodes can be clamped to the lower voltage from the boost converter. The operational principle, analysis and design considerations of the proposed converter are presented in this paper. The validity of this study is confirmed by the experimental results from 24V input and 250V/125W output prototype.
Starting Page	68
Ending Page	75
File Size	473375
Page Count	8
File Format	PDF
ISBN	9781612849584
ISSN	21506086
e-ISBN	9781612849577
e-ISBN	9781612849560
DOI	10.1109/ICPE.2011.5944544
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-30
Publisher Place	Korea (South)
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Integrated circuits Magnetomechanical effects Capacitors Switches High step-up converter Leakage current Semiconductor diodes voltage doubler clamping diode Stress boost converter
Content Type	Text
Resource Type	Article

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